方法的覆盖

import java.util.*;

/*
*员工类

*/

public class Employee{

      private String name;       //员工姓名

      private Date hireDay;      //工作时长

      private double salary;      //薪水

      public Employee(String name,int year,int month ,int day ,double salary){

            this.name=name;

            this.salary=salary;

            GregorianCalendar calendar =new GregorianCalendar(year,month-1,day);

            hireDay =calendar.getTime();

      }

      public String getName(){

            return name;

      }

      public double getSalary(){

            return salary;

      }

       public Date getHireDay(){

             return hireDay;

      }

      protected void setSalary(double salary){

            this.salary=salary;

      }

      public void setSalary(double byPercent){

             double raise =salary*byPercent/100;

            salary+=raise;

      }

      public static void  main(String [] agrs){

            {

            Manager boos=new Manager("Lakelau",1997,2,14,2000,5000);

            double boosSalary =boos.getSalary();

            String name =boos.getName();

            System.out.println(name+"薪水："+boosSalary);

      }

      {

            Employee accountant =new Employee("mike",2003,5,28,10000);

            double accountantSalary=accountant.getSalary();

            String name =accountant.getName();

            System.out.pringln(name+"薪水:"+accountantSalary);

            }

      }

}

/**
*   管理者类

*/

classManager extends Employee{

      private double bonus;

      public Manager(String name,int year,int month,int day,double salary,double bonus){

            super(name,year,month,day,salary);      //调用父类的方法

             this.bonus =bonus;      //设置奖金

      }

      public void setBonus(double salary){

            this.bonus =bonus;

      }

      public void changeSalary(double salary){

            setSalary(salary);

      }

/*

*覆盖父类的getSalary方法

*/

public double getSalary(){

      return super.getSalary()+bonus;      //返回基本薪金和奖金的总和

      }

}

转载于:https://www.cnblogs.com/kanjingcai/archive/2009/04/09/1432727.html